Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 328, NWS Anchorage, AK

April 22, 2021

NWS Anchorage, AK issued this small craft advisory at Apr 22, 2021, 3:14 AM AKDT. It was in force for 5 days.

The area

The counties it named.

The facts

Issued
Apr 22, 2021, 3:14 AM AKDT (11:14 UTC)
Expired
Apr 27, 2021, 3:15 AM AKDT
In force
5 days
Issued by
NWS Anchorage, AK

The text

As transmitted.

937 
FZAK52 PAFC 221114
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
314 AM AKDT Thu Apr 22 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-230000-
314 AM AKDT Thu Apr 22 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA 
WATERS AND THE ALEUTIAN ISLANDS...

SEMISOPOCHNOI VOLCANO, 140 NM NORTHWEST OF ADAK IS CURRENTLY ACTIVE.

A 995 mb low 130 nm south of Dutch Harbor dissipates by Thu night. 
Its front moves across the Bering through Fri morning. A 989 mb low 
moves to 321 nm southwest of Adak Fri morning and then to 138 nm 
southwest of Adak at 987 mb on Fri night. 

$$

PKZ150-230000-
South of the AK Peninsula Sitkinak to Castle Cape-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 20 kt. Seas 10 ft.
.TONIGHT...E wind 15 kt. Seas 8 ft.
.FRI...E wind 15 kt. Seas 7 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...E wind 30 kt. Seas 11 ft.

$$

PKZ155-230000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 30 kt except E 20 kt from the Shumagin Islands E.
Seas 14 ft.
.TONIGHT...E wind 20 kt. Seas 9 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...E wind 25 kt. Seas 6 ft.
.SAT THROUGH MON...E wind 30 kt. Seas 10 ft.

$$

PKZ160-230000-
Bristol Bay-
314 AM AKDT Thu Apr 22 2021

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 15 kt. Seas 4 ft.
.FRI...E wind 10 kt. Seas 2 foot.
.FRI NIGHT...NE wind 10 kt. Seas 2 foot.
.SAT THROUGH MON...NE wind 25 kt. Seas 5 ft.

$$

PKZ165-230000-
Port Heiden to Cape Sarichef-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 25 kt. Seas 8 ft.
.TONIGHT...E wind 15 kt. Seas 4 ft.
.FRI...E wind 15 kt. Seas 3 ft.
.FRI NIGHT...E wind 25 kt. Seas 4 ft.
.SAT THROUGH MON...NE wind 30 kt. Seas 7 ft.

$$

PKZ170-230000-
Cape Sarichef to Nikolski Bering Side-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 30 kt. Seas 12 ft.
.TONIGHT...NE wind 15 kt. Seas 7 ft.
.FRI...E wind 20 kt. Seas 4 ft.
.FRI NIGHT...E wind 35 kt. Seas 8 ft.
.SAT...SE wind 40 kt. Seas 10 ft.
.SUN...SE wind 25 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 6 ft.

$$

PKZ171-230000-
Unalaska Bay-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 30 kt. Seas 5 ft. Widespread rain showers.
.TONIGHT...E wind 15 kt diminishing to 10 kt after midnight. Seas
2 ft.
.FRI...E wind 10 kt increasing to 20 kt in the afternoon. Seas 3 ft.
.FRI NIGHT...SE wind 30 kt. Seas 5 ft.
.SAT...SE wind 35 kt. Seas 5 ft.
.SUN...SE wind 15 kt. Seas 2 ft.
.MON...NE wind 15 kt. Seas 3 ft.

$$

PKZ172-230000-
Cape Sarichef to Nikolski Pacific Side-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 30 kt. Seas 15 ft.
.TONIGHT...NE wind 25 kt. Seas 10 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...E wind 35 kt. Seas 9 ft.
.SAT...S wind 35 kt. Seas 12 ft.
.SUN...S wind 20 kt. Seas 11 ft.
.MON...N wind 20 kt. Seas 8 ft.

$$

PKZ173-230000-
Nikolski to Seguam Island Bering Side-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 20 kt. Seas 10 ft.
.TONIGHT...NE wind 15 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 5 ft.
.FRI NIGHT...E wind 35 kt. Seas 9 ft.
.SAT...S wind 25 kt. Seas 9 ft.
.SUN THROUGH MON...NW wind 25 kt. Seas 9 ft.

$$

PKZ174-230000-
Nikolski to Seguam Island Pacific Side-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NW wind 20 kt. Seas 11 ft.
.TONIGHT...N wind 15 kt. Seas 9 ft.
.FRI...E wind 15 kt increasing to 25 kt in the afternoon. Seas 6 ft. 
.FRI NIGHT...SE wind 35 kt. Seas 11 ft.
.SAT...SW wind 25 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 9 ft.
.MON...NW wind 30 kt. Seas 9 ft.

$$

PKZ175-230000-
Seguam Island to Adak Bering Side-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 20 kt. Seas 9 ft.
.TONIGHT...Variable wind 10 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 30 kt. Seas 8 ft.
.SAT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 12 ft.

$$

PKZ176-230000-
Seguam Island to Adak Pacific Side-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NW wind 20 kt. Seas 9 ft.
.TONIGHT...NW wind 15 kt in the evening becoming variable 10 kt.
Seas 8 ft.
.FRI...E wind 15 kt increasing to 25 kt in the afternoon. Seas 7 ft.
Widespread rain showers.
.FRI NIGHT...NE wind 30 kt. Seas 9 ft.
.SAT...NW wind 25 kt. Seas 10 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 10 ft.

$$

PKZ177-230000-
Adak to Kiska-
314 AM AKDT Thu Apr 22 2021

.TODAY...N wind 15 kt. Seas 7 ft.
.TONIGHT...N wind 15 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.FRI NIGHT...N wind 20 kt. Seas 6 ft.
.SAT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 11 ft.

$$

PKZ178-230000-
Kiska to Attu-
314 AM AKDT Thu Apr 22 2021

.TODAY...NE wind 15 kt. Seas 6 ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 6 ft.
.FRI NIGHT...N wind 15 kt. Seas 6 ft.
.SAT...N wind 20 kt. Seas 5 ft.
.SUN...NW wind 25 kt. Seas 7 ft.
.MON...NE wind 30 kt. Seas 8 ft.

$$

PKZ179-230000-
Pribilof Islands Near Shore Waters-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE wind 25 kt. Seas 9 ft.
.TONIGHT...E wind 15 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 4 ft.
.FRI NIGHT...E wind 25 kt. Seas 5 ft.
.SAT...E wind 30 kt. Seas 10 ft.
.SUN THROUGH MON...N wind 25 kt. Seas 8 ft.

$$

PKZ180-230000-
Kuskokwim Delta and Etolin Strait-
314 AM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 25 kt. Seas in ice free waters 6 ft.
.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.FRI...E wind 15 kt becoming SE in the afternoon. Seas in ice free
waters 2 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 30 kt. Seas in ice free waters 6 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas in ice free waters 6 ft.

$$

PKZ181-230000-
North and West of Nunivak Island-
314 AM AKDT Thu Apr 22 2021

.TODAY...E wind 20 kt. Seas in ice free waters 5 ft.
.TONIGHT...Variable wind 10 kt. Seas in ice free waters 2 ft.
.FRI...Variable wind 10 kt. Seas in ice free waters 2 ft.
.FRI NIGHT...SE wind 15 kt. Seas in ice free waters 2 ft.
.SAT THROUGH SUN...NE wind 25 kt. Seas in ice free waters 4 ft.
.MON...N wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-230000-
Saint Matthew Island Waters-
314 AM AKDT Thu Apr 22 2021

.TODAY...NE wind 15 kt. Seas in ice free waters 6 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 5 ft.
.FRI...E wind 15 kt. Seas in ice free waters 4 ft.
.FRI NIGHT...SE wind 15 kt. Seas in ice free waters 4 ft.
.SAT...E wind 25 kt. Seas in ice free waters 7 ft.
.SUN...NE wind 25 kt. Seas in ice free waters 7 ft.
.MON...N wind 20 kt. Seas in ice free waters 5 ft.

$$
10 follow-up statements
750 
FZAK52 PAFC 222359
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
359 PM AKDT Thu Apr 22 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-231245-
359 PM AKDT Thu Apr 22 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm northwest of Adak is currently 
active. 

A 997 mb low 175 nm South of Cape Sarichef dissipates Fri 
afternoon. A 995 mb North Pacific low moves to 180 nm south of Atka 
at 985 mb for Fri night then shifts to 100 nm south of Dutch Harbor 
at 989 mb by Sat afternoon. Its front remains south of the Aleutians 
and Alaska Peninsula. 

$$

PKZ150-231245-
South of the AK Peninsula Sitkinak to Castle Cape-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E wind 15 kt. Seas 8 ft.
.FRI...NE wind 15 kt. Seas 6 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...SE wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...E wind 30 kt. Seas 11 ft.
.TUE...NE wind 25 kt. Seas 8 ft.

$$

PKZ155-231245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 9 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...SE wind 25 kt. Seas 6 ft.
.SAT AND SAT NIGHT...SE wind 30 kt. Seas 11 ft.
.SUN THROUGH MON...E wind 30 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 8 ft.

$$

PKZ160-231245-
Bristol Bay-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...E wind 15 kt. Seas 2 ft.
.FRI...E wind 10 kt. Seas 1 foot.
.FRI NIGHT...NE wind 10 kt. Seas 1 foot.
.SAT...E wind 20 kt. Seas 2 ft.
.SAT NIGHT...E wind 25 kt. Seas 3 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas 3 ft.
.TUE...NE wind 20 kt. Seas 2 ft.

$$

PKZ165-231245-
Port Heiden to Cape Sarichef-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 4 ft.
.FRI...E wind 15 kt. Seas 3 ft.
.FRI NIGHT...SE wind 25 kt. Seas 4 ft.
.SAT AND SAT NIGHT...SE wind 30 kt. Seas 7 ft.
.SUN THROUGH MON...NE wind 30 kt. Seas 6 ft.
.TUE...NE wind 20 kt. Seas 5 ft.

$$

PKZ170-231245-
Cape Sarichef to Nikolski Bering Side-
359 PM AKDT Thu Apr 22 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 7 ft.
.FRI...E wind 20 kt. Seas 4 ft.
.FRI NIGHT...E wind 25 kt increasing to 35 kt after midnight. Seas
5 ft building to 8 ft by afternoon. Rain.
.SAT...SE wind 35 kt. Seas 10 ft.
.SAT NIGHT...SE wind 20 kt. Seas 7 ft.
.SUN...E wind 25 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 6 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ171-231245-
Unalaska Bay-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 3 ft.
.FRI...E wind 15 kt. Seas 3 ft.
.FRI NIGHT...SE wind 20 kt increasing to 30 kt after midnight. Seas 
5 ft. Rain.
.SAT...SE wind 35 kt. Seas 5 ft.
.SAT NIGHT...S wind 15 kt. Seas 2 ft.
.SUN...SE wind 15 kt. Seas 2 ft.
.MON...NE wind 15 kt. Seas 3 ft.
.TUE...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-231245-
Cape Sarichef to Nikolski Pacific Side-
359 PM AKDT Thu Apr 22 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 10 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...E wind 25 kt increasing to 35 kt after midnight. Seas
6 ft building to 9 ft after midnight. Rain.
.SAT...SE wind 30 kt. Seas 11 ft.
.SAT NIGHT...S wind 20 kt. Seas 12 ft.
.SUN...SE wind 20 kt. Seas 11 ft.
.MON THROUGH TUE...NE wind 20 kt. Seas 8 ft.

$$

PKZ173-231245-
Nikolski to Seguam Island Bering Side-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 5 ft.
.FRI NIGHT...E wind 30 kt. Seas 5 ft building to 8 ft after midnight.
Widespread rain showers.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...NW wind 15 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 25 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ174-231245-
Nikolski to Seguam Island Pacific Side-
359 PM AKDT Thu Apr 22 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas 9 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.FRI NIGHT...E wind 35 kt. Seas 10 ft. Rain.
.SAT...SW wind 20 kt. Seas 12 ft.
.SAT NIGHT...W wind 20 kt. Seas 11 ft.
.SUN...NW wind 25 kt. Seas 9 ft.
.MON...NW wind 30 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ175-231245-
Seguam Island to Adak Bering Side-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 8 ft.
.FRI...E wind 20 kt. Seas 6 ft.
.FRI NIGHT...E wind 30 kt. Seas 7 ft. Rain.
.SAT...N wind 20 kt. Seas 8 ft.
.SAT NIGHT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 12 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ176-231245-
Seguam Island to Adak Pacific Side-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 8 ft.
.FRI...E wind 15 kt increasing to 30 kt in the afternoon. Seas 7
ft.
.FRI NIGHT...E wind 30 kt becoming N after midnight. Seas 10 ft. 
Widespread rain showers.
.SAT...NW wind 20 kt. Seas 10 ft.
.SAT NIGHT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ177-231245-
Adak to Kiska-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...N wind 15 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 25 kt. Seas 6 ft.
.SAT...N wind 20 kt. Seas 7 ft.
.SAT NIGHT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...NW wind 30 kt. Seas 11 ft.
.TUE...NE wind 25 kt. Seas 7 ft.

$$

PKZ178-231245-
Kiska to Attu-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...N wind 15 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 6 ft.
.FRI NIGHT...N wind 15 kt. Seas 6 ft.
.SAT AND SAT NIGHT...NW wind 15 kt. Seas 5 ft.
.SUN...NW wind 20 kt. Seas 7 ft.
.MON THROUGH TUE...NE wind 30 kt. Seas 8 ft.

$$

PKZ179-231245-
Pribilof Islands Near Shore Waters-
359 PM AKDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 4 ft.
.FRI NIGHT...E wind 15 kt increasing to 25 kt after midnight. Seas 5
ft.
.SAT...E wind 30 kt. Seas 8 ft.
.SAT NIGHT...E wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...N wind 25 kt. Seas 8 ft.
.TUE...NE wind 20 kt. Seas 5 ft.

$$

PKZ180-231245-
Kuskokwim Delta and Etolin Strait-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.FRI...E wind 15 kt becoming SE in the afternoon. Seas in ice free
waters 2 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 25 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas in ice free waters 6 ft.
.TUE...NE wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ181-231245-
North and West of Nunivak Island-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...NE wind 10 kt. Seas in ice free waters 2 ft.
.FRI...E wind 10 kt. Seas in ice free waters 2 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 20 kt. Seas in ice free waters 2 ft.
.SAT NIGHT...E wind 25 kt. Seas in ice free waters 3 ft.
.SUN THROUGH TUE...NE wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-231245-
Saint Matthew Island Waters-
359 PM AKDT Thu Apr 22 2021

.TONIGHT...NE wind 10 kt. Seas in ice free waters 5 ft.
.FRI...E wind 15 kt. Seas in ice free waters 4 ft.
.FRI NIGHT...SE wind 15 kt. Seas in ice free waters 4 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 25 kt. Seas in ice free waters 5 ft.
.SUN...N wind 25 kt. Seas in ice free waters 7 ft.
.MON...N wind 20 kt. Seas in ice free waters 5 ft.
.TUE...N wind 25 kt. Seas in ice free waters 5 ft.

$$
994 
FZAK52 PAFC 231143
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
343 AM AKDT Fri Apr 23 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-240030-
343 AM AKDT Fri Apr 23 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA 
WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140nm northwest of Adak is currently active.

A 988 mb low 320 nm southwest of Adak on Fri moves to 210 nm
southwest of Dutch Harbor on Sat. 

$$

PKZ150-240030-
South of the AK Peninsula Sitkinak to Castle Cape-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...NE wind 15 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 25 kt. Seas 6 ft.
.SAT NIGHT...SE wind 30 kt. Seas 9 ft.
.SUN THROUGH MON...NE wind 30 kt. Seas 11 ft.
.TUE...NE wind 20 kt. Seas 9 ft.

$$

PKZ155-240030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 20 kt becoming SE 30 kt after midnight. From the
Shumagin Islands E, E wind 20 kt. Seas 6 ft.
.SAT...E wind 30 kt. Seas 11 ft. Widespread rain showers.
.SAT NIGHT...SE wind 30 kt. Seas 10 ft.
.SUN...SE wind 20 kt. Seas 11 ft.
.MON...NE wind 30 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 9 ft.

$$

PKZ160-240030-
Bristol Bay-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...E wind 10 kt. Seas 2 foot.
.TONIGHT...NE wind 10 kt. Seas 2 foot.
.SAT...E wind 25 kt. Seas 5 ft.
.SAT NIGHT...E wind 25 kt. Seas 5 ft.
.SUN...E wind 30 kt. Seas 6 ft.
.MON...NE wind 20 kt. Seas 4 ft.
.TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ165-240030-
Port Heiden to Cape Sarichef-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 15 kt. Seas 3 ft.
.TONIGHT...E wind 20 kt increasing to 30 kt after midnight. From
Port Moller E, E wind 20 kt. Seas 4 ft.
.SAT...E wind 30 kt. Seas 7 ft.
.SAT NIGHT...SE wind 30 kt. Seas 7 ft.
.SUN...E wind 30 kt. Seas 6 ft.
.MON...NE wind 25 kt. Seas 5 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ170-240030-
Cape Sarichef to Nikolski Bering Side-
343 AM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
4 ft.
.TONIGHT...E wind 35 kt. Seas 9 ft. Rain.
.SAT...E wind 35 kt. Seas 10 ft. Rain.
.SAT NIGHT...SE wind 20 kt. Seas 7 ft.
.SUN...NE wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 10 ft.

$$

PKZ171-240030-
Unalaska Bay-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 20 kt. Seas 3 ft.
.TONIGHT...E wind 30 kt. Seas 5 ft. Rain.
.SAT...E wind 30 kt becoming SE 15 kt in the afternoon. Seas 5 ft
subsiding to 2 ft in the afternoon. Widespread rain showers.
.SAT NIGHT...S wind 10 kt. Seas 2 ft.
.SUN...NE wind 10 kt. Seas 3 ft.
.MON...N wind 20 kt. Seas 6 ft.
.TUE...N wind 15 kt. Seas 5 ft.

$$

PKZ172-240030-
Cape Sarichef to Nikolski Pacific Side-
343 AM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...NE wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 35 kt. Seas 10 ft. Rain.
.SAT...SE wind 35 kt becoming S 20 kt in the afternoon. Seas 10 ft. 
Rain.
.SAT NIGHT...S wind 20 kt. Seas 12 ft.
.SUN...NE wind 15 kt. Seas 10 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 9 ft.

$$

PKZ173-240030-
Nikolski to Seguam Island Bering Side-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 30 kt. Seas 8 ft. Widespread rain showers.
.SAT...NE wind 20 kt. Seas 7 ft. Rain.
.SAT NIGHT...NW wind 15 kt. Seas 8 ft.
.SUN...N wind 30 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 9 ft.

$$

PKZ174-240030-
Nikolski to Seguam Island Pacific Side-
343 AM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
7 ft.
.TONIGHT...E wind 35 kt. Seas 10 ft. Widespread rain showers.
.SAT...W wind 20 kt. Seas 11 ft. Rain.
.SAT NIGHT...W wind 20 kt. Seas 10 ft.
.SUN...NW wind 30 kt. Seas 10 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 10 ft.

$$

PKZ175-240030-
Seguam Island to Adak Bering Side-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
6 ft.
.TONIGHT...NE wind 25 kt. Seas 7 ft.
.SAT...N wind 20 kt. Seas 7 ft.
.SAT NIGHT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 12 ft.
.TUE...N wind 25 kt. Seas 9 ft.

$$

PKZ176-240030-
Seguam Island to Adak Pacific Side-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
7 ft.
.TONIGHT...NE wind 30 kt. Seas 9 ft. Widespread rain showers.
.SAT...NW wind 25 kt. Seas 10 ft.
.SAT NIGHT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...NW wind 35 kt. Seas 11 ft.
.TUE...N wind 30 kt. Seas 8 ft.

$$

PKZ177-240030-
Adak to Kiska-
343 AM AKDT Fri Apr 23 2021

.TODAY...NE wind 20 kt. Seas 6 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.SAT...N wind 20 kt. Seas 6 ft.
.SAT NIGHT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ178-240030-
Kiska to Attu-
343 AM AKDT Fri Apr 23 2021

.TODAY...N wind 15 kt. Seas 6 ft.
.TONIGHT...N wind 15 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...NW wind 15 kt. Seas 5 ft.
.SUN...NW wind 20 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 5 ft.
.TUE...NE wind 30 kt. Seas 10 ft.

$$

PKZ179-240030-
Pribilof Islands Near Shore Waters-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...E wind 15 kt. Seas 4 ft.
.TONIGHT...E wind 25 kt. Seas 6 ft.
.SAT...E wind 30 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 7 ft.

$$

PKZ180-240030-
Kuskokwim Delta and Etolin Strait-
343 AM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...E wind 15 kt. Seas in ice free waters 2 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...E wind 25 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN...NE wind 30 kt. Seas in ice free waters 7 ft.
.MON THROUGH TUE...N wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ181-240030-
North and West of Nunivak Island-
343 AM AKDT Fri Apr 23 2021

.TODAY...SE wind 15 kt. Seas in ice free waters 3 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 3 ft.
.SAT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SAT NIGHT...E wind 25 kt. Seas in ice free waters 5 ft.
.SUN...N wind 20 kt. Seas in ice free waters 3 ft.
.MON...N wind 25 kt. Seas in ice free waters 6 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ185-240030-
Saint Matthew Island Waters-
343 AM AKDT Fri Apr 23 2021

.TODAY...E wind 15 kt. Seas in ice free waters 4 ft.
.TONIGHT...E wind 15 kt. Seas in ice free waters 4 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 25 kt. Seas in ice free waters 5 ft.
.SUN THROUGH MON...NW wind 25 kt. Seas in ice free waters 5 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 3 ft.

$$
736 
FZAK52 PAFC 232358
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
358 PM AKDT Fri Apr 23 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-241245-
358 PM AKDT Fri Apr 23 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140nm West of Adak is currently active.

A 987 mb low 310 nm South of Adak moves to 130 nm South of False 
Pass at 992 mb for Sun afternoon. Its front moves over the 
Aleutians and Alaska Peninsula through Sun afternoon. 

$$

PKZ150-241245-
South of the AK Peninsula Sitkinak to Castle Cape-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...SE wind 15 kt. Seas 5 ft.
.SAT...SE wind 20 kt increasing to 30 kt in the afternoon. Seas 7 
ft.
.SAT NIGHT...SE wind 30 kt. Seas 10 ft. Rain.
.SUN...SE wind 30 kt. Seas 9 ft.
.SUN NIGHT...E wind 40 kt. Seas 12 ft.
.MON...NE wind 40 kt. Seas 14 ft.
.TUE...NE wind 20 kt. Seas 9 ft.
.WED...NE wind 15 kt. Seas 6 ft.

$$

PKZ155-241245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
358 PM AKDT Fri Apr 23 2021

...GALE WARNING SATURDAY...

.TONIGHT...SE wind 30 kt except E 20 kt from the Shumagin Islands E.
Seas 7 ft.
.SAT...SE wind 35 kt. Seas 10 ft. Rain.
.SAT NIGHT...SE wind 20 kt. From the Shumagin Islands E, SE wind
30 kt diminishing to 20 kt after midnight. Seas 10 ft.
.SUN...SE wind 20 kt. Seas 10 ft.
.SUN NIGHT...NE wind 25 kt. Seas 8 ft.
.MON...NE wind 35 kt. Seas 12 ft.
.TUE...NE wind 20 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 5 ft.

$$

PKZ160-241245-
Bristol Bay-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 1 foot.
.SAT...E wind 15 kt increasing to 25 kt in the afternoon. Seas 3 ft.
.SAT NIGHT...E wind 30 kt. Seas 4 ft.
.SUN...E wind 30 kt. Seas 5 ft.
.SUN NIGHT...E wind 25 kt. Seas 4 ft.
.MON...NE wind 25 kt. Seas 3 ft.
.TUE...NE wind 15 kt. Seas 2 ft.
.WED...N wind 10 kt. Seas 1 foot.

$$

PKZ165-241245-
Port Heiden to Cape Sarichef-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 4 ft.
.SAT...E wind 30 kt. Seas 7 ft.
.SAT NIGHT...E wind 30 kt. Seas 7 ft.
.SUN...E wind 30 kt. Seas 6 ft.
.SUN NIGHT...NE wind 25 kt. Seas 5 ft.
.MON...NE wind 25 kt. Seas 7 ft.
.TUE...NE wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 4 ft.

$$

PKZ170-241245-
Cape Sarichef to Nikolski Bering Side-
358 PM AKDT Fri Apr 23 2021

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...E wind 35 kt. Seas 9 ft. Rain.
.SAT...E wind 35 kt diminishing to 25 kt in the afternoon. Seas
10 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN...NE wind 15 kt. Seas 5 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 10 ft.
.WED...N wind 15 kt. Seas 6 ft.

$$

PKZ171-241245-
Unalaska Bay-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...SE wind increasing to 30 kt. Seas 5 ft. Rain.
.SAT...E wind 30 kt becoming variable less than 10 kt in the 
afternoon. Seas 5 ft subsiding to 2 ft in the afternoon.
.SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN...Variable wind less than 10 kt. Seas 3 ft.
.SUN NIGHT...N wind 15 kt. Seas 3 ft.
.MON...N wind 20 kt. Seas 7 ft.
.TUE...N wind 15 kt. Seas 5 ft.
.WED...N wind 10 kt. Seas 3 ft.

$$

PKZ172-241245-
Cape Sarichef to Nikolski Pacific Side-
358 PM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 35 kt. Seas 9 ft. Rain.
.SAT...SE wind 30 kt becoming variable to 15 kt in the afternoon. 
Seas 10 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 11 ft.
.SUN...W wind 15 kt. Seas 9 ft.
.SUN NIGHT...N wind 15 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 6 ft.

$$

PKZ173-241245-
Nikolski to Seguam Island Bering Side-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind 30 kt. Seas 7 ft. Rain.
.SAT...N wind 20 kt. Seas 8 ft.
.SAT NIGHT...NW wind 20 kt. Seas 8 ft.
.SUN...NW wind 20 kt. Seas 6 ft.
.SUN NIGHT...N wind 30 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 9 ft.
.WED...NE wind 15 kt. Seas 6 ft.

$$

PKZ174-241245-
Nikolski to Seguam Island Pacific Side-
358 PM AKDT Fri Apr 23 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 35 kt. Seas 10 ft. Rain.
.SAT...NW wind 25 kt. Seas 11 ft.
.SAT NIGHT...NW wind 20 kt. Seas 9 ft.
.SUN...NW wind 20 kt. Seas 8 ft.
.SUN NIGHT...NW wind 30 kt. Seas 9 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 10 ft.
.WED...NE wind 15 kt. Seas 8 ft.

$$

PKZ175-241245-
Seguam Island to Adak Bering Side-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 25 kt. Seas 7 ft.
.SAT...N wind 20 kt. Seas 7 ft.
.SAT NIGHT...NW wind 20 kt. Seas 7 ft.
.SUN AND SUN NIGHT...N wind 30 kt. Seas 11 ft.
.MON...N wind 30 kt. Seas 12 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.WED...NE wind 20 kt. Seas 6 ft.

$$

PKZ176-241245-
Seguam Island to Adak Pacific Side-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 10 ft. Rain.
.SAT...NW wind 25 kt. Seas 10 ft.
.SAT NIGHT...NW wind 20 kt. Seas 8 ft.
.SUN...NW wind 30 kt. Seas 9 ft.
.SUN NIGHT...N wind 35 kt. Seas 10 ft.
.MON...NW wind 35 kt. Seas 11 ft.
.TUE...N wind 30 kt. Seas 8 ft.
.WED...NE wind 15 kt. Seas 9 ft.

$$

PKZ177-241245-
Adak to Kiska-
358 PM AKDT Fri Apr 23 2021

.TONIGHT...N wind 20 kt. Seas 5 ft.
.SAT...N wind 15 kt. Seas 6 ft.
.SAT NIGHT...NW wind 20 kt. Seas 6 ft.
.SUN AND SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 6 ft.
.WED...NE wind 25 kt. Seas 10 ft.

$$

PKZ178-241245-
Kiska to Attu-
358 PM AKDT Fri Apr 23 2021

.TONIGHT...N wind 15 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SAT NIGHT...NW wind 15 kt. Seas 5 ft.
.SUN AND SUN NIGHT...NW wind 20 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 5 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 11 ft.

$$

PKZ179-241245-
Pribilof Islands Near Shore Waters-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind increasing to 25 kt. Seas 6 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt. Seas 8 ft. Rain.
.SUN...NE wind 25 kt. Seas 8 ft.
.SUN NIGHT...N wind 30 kt. Seas 9 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.WED...N wind 15 kt. Seas 4 ft.

$$

PKZ180-241245-
Kuskokwim Delta and Etolin Strait-
358 PM AKDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas in ice free waters 3 ft.
.SAT...E wind 25 kt. Seas in ice free waters 5 ft.
.SAT NIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN...NE wind 30 kt. Seas in ice free waters 7 ft.
.SUN NIGHT...NE wind 25 kt. Seas in ice free waters 6 ft.
.MON THROUGH TUE...N wind 20 kt. Seas in ice free waters 4 ft.
.WED...N wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-241245-
North and West of Nunivak Island-
358 PM AKDT Fri Apr 23 2021

.TONIGHT...E wind 15 kt. Seas in ice free waters 2 ft.
.SAT...NE wind 15 kt. Seas in ice free waters 2 ft.
.SAT NIGHT...E wind 20 kt. Seas in ice free waters 3 ft.
.SUN AND SUN NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.MON...N wind 25 kt. Seas in ice free waters 4 ft.
.TUE THROUGH WED...NW wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-241245-
Saint Matthew Island Waters-
358 PM AKDT Fri Apr 23 2021

.TONIGHT...E wind 15 kt. Seas in ice free waters 4 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN...N wind 20 kt. Seas in ice free waters 5 ft.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.MON...NW wind 25 kt. Seas in ice free waters 5 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 15 kt. Seas in ice free waters 4 ft.

$$
851 
FZAK52 PAFC 241046
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
246 AM AKDT Sat Apr 24 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-250000-
246 AM AKDT Sat Apr 24 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA 
WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140nm West of Adak is currently active.

A 990 mb low 167 nm southwest of Dutch Harbor on Sat moves to 60
nm northeast of Dutch Harbor at 992 mb on Sun. Its front moves
across the Bering through Sun. High pressure enters the western
Bering on Sun.

$$

PKZ150-250000-
South of the AK Peninsula Sitkinak to Castle Cape-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SE wind 30 kt. Seas 7 ft.
.TONIGHT...SE wind 30 kt. Seas 10 ft. Rain.
.SUN...SE wind 30 kt. Seas 9 ft. Rain.
.SUN NIGHT...E wind 35 kt. Seas 13 ft.
.MON...E wind 40 kt. Seas 12 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 15 kt. Seas 6 ft.

$$

PKZ155-250000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
246 AM AKDT Sat Apr 24 2021

...GALE WARNING TODAY...

.TODAY...E wind 35 kt. Seas 10 ft. Rain.
.TONIGHT...SE wind 20 kt. From the Shumagin Islands E, SE wind 30 kt 
diminishing to 20 kt after midnight. Seas 11 ft. Rain.
.SUN...SE wind 20 kt. Seas 11 ft.
.SUN NIGHT...NE wind 25 kt. Seas 9 ft.
.MON...NE wind 30 kt. Seas 10 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 15 kt. Seas 6 ft.

$$

PKZ160-250000-
Bristol Bay-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas 3 ft
building to 5 ft.
.TONIGHT...E wind 30 kt. Seas 7 ft.
.SUN...E wind 30 kt. Seas 7 ft.
.SUN NIGHT...E wind 25 kt. Seas 5 ft.
.MON...NE wind 25 kt. Seas 5 ft.
.TUE...NE wind 15 kt. Seas 2 ft.
.WED...N wind 10 kt. Seas 1 foot.

$$

PKZ165-250000-
Port Heiden to Cape Sarichef-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 30 kt. Seas 7 ft.
.TONIGHT...E wind 30 kt diminishing to 20 kt after midnight. From
Port Moller E, E wind 30 kt. Seas 7 ft.
.SUN...E wind 15 kt except E 25 kt from Port Moller E. Seas 5 ft.
.SUN NIGHT...NE wind 25 kt. Seas 5 ft.
.MON...NE wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED...N wind 15 kt. Seas 4 ft.

$$

PKZ170-250000-
Cape Sarichef to Nikolski Bering Side-
246 AM AKDT Sat Apr 24 2021

...GALE WARNING TODAY...

.TODAY...E wind 35 kt diminishing to 25 kt in the afternoon. Seas
9 ft.
.TONIGHT...E wind 15 kt. Seas 6 ft.
.SUN...NE wind 15 kt. Seas 4 ft.
.SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 12 ft.
.WED...NE wind 15 kt. Seas 6 ft.

$$

PKZ171-250000-
Unalaska Bay-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 30 kt diminishing to 10 kt in the afternoon. Seas
5 ft subsiding to 2 ft in the afternoon.
.TONIGHT...E wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.SUN...Variable wind less than 10 kt. Seas 3 ft.
.SUN NIGHT...N wind 10 kt. Seas 3 ft.
.MON...N wind 25 kt. Seas 9 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-250000-
Cape Sarichef to Nikolski Pacific Side-
246 AM AKDT Sat Apr 24 2021

...GALE WARNING TODAY...

.TODAY...SE wind 35 kt becoming E 15 kt in the afternoon. Seas
10 ft.
.TONIGHT...Variable wind 10 kt. Seas 11 ft.
.SUN...Variable wind 10 kt. Seas 9 ft.
.SUN NIGHT...N wind 15 kt. Seas 7 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 9 ft.
.WED...NE wind 15 kt. Seas 5 ft.

$$

PKZ173-250000-
Nikolski to Seguam Island Bering Side-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NE wind 20 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED...NE wind 15 kt. Seas 7 ft.

$$

PKZ174-250000-
Nikolski to Seguam Island Pacific Side-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...N wind 25 kt. Seas 11 ft.
.TONIGHT...NW wind 20 kt. Seas 10 ft.
.SUN...NW wind 20 kt. Seas 8 ft.
.SUN NIGHT...N wind 30 kt. Seas 10 ft.
.MON...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt. Seas 13 ft.
.WED...NE wind 15 kt. Seas 10 ft.

$$

PKZ175-250000-
Seguam Island to Adak Bering Side-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...NW wind 20 kt. Seas 7 ft.
.SUN...NW wind 30 kt. Seas 9 ft.
.SUN NIGHT...N wind 30 kt. Seas 12 ft.
.MON...N wind 35 kt. Seas 13 ft.
.TUE...N wind 25 kt. Seas 11 ft.
.WED...NE wind 20 kt. Seas 7 ft.

$$

PKZ176-250000-
Seguam Island to Adak Pacific Side-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NW wind 25 kt. Seas 10 ft.
.TONIGHT...NW wind 20 kt. Seas 8 ft.
.SUN...NW wind 30 kt. Seas 8 ft.
.SUN NIGHT...NW wind 35 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 12 ft.
.TUE...N wind 30 kt. Seas 9 ft.
.WED...E wind 20 kt. Seas 13 ft.

$$

PKZ177-250000-
Adak to Kiska-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...N wind 15 kt. Seas 6 ft.
.TONIGHT...NW wind 20 kt. Seas 6 ft.
.SUN...NW wind 25 kt. Seas 7 ft.
.SUN NIGHT...NW wind 30 kt. Seas 9 ft.
.MON...N wind 25 kt. Seas 9 ft.
.TUE...NE wind 25 kt. Seas 7 ft.
.WED...NE wind 25 kt. Seas 14 ft.

$$

PKZ178-250000-
Kiska to Attu-
246 AM AKDT Sat Apr 24 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...NW wind 15 kt. Seas 5 ft.
.SUN...NW wind 20 kt. Seas 5 ft.
.SUN NIGHT...NW wind 20 kt. Seas 5 ft.
.MON...W wind 15 kt. Seas 5 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 17 ft.

$$

PKZ179-250000-
Pribilof Islands Near Shore Waters-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 8 ft.
.TONIGHT...NE wind 25 kt. Seas 7 ft. Rain.
.SUN...NE wind 25 kt. Seas 7 ft. Rain.
.SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED...NE wind 15 kt. Seas 4 ft.

$$

PKZ180-250000-
Kuskokwim Delta and Etolin Strait-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas in ice free waters 5 ft.
.TONIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN...E wind 30 kt. Seas in ice free waters 7 ft. Rain.
.SUN NIGHT...NE wind 25 kt. Seas in ice free waters 5 ft.
.MON THROUGH TUE...N wind 25 kt. Seas in ice free waters 5 ft.
.WED...N wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ181-250000-
North and West of Nunivak Island-
246 AM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...NE wind 15 kt. Seas in ice free waters 4 ft.
.TONIGHT...NE wind 20 kt. Seas in ice free waters 5 ft.
.SUN...N wind 25 kt. Seas in ice free waters 6 ft.
.SUN NIGHT...N wind 20 kt. Seas in ice free waters 5 ft.
.MON...N wind 25 kt. Seas in ice free waters 7 ft.
.TUE...N wind 20 kt. Seas in ice free waters 5 ft.
.WED...N wind 15 kt. Seas in ice free waters 4 ft.

$$

PKZ185-250000-
Saint Matthew Island Waters-
246 AM AKDT Sat Apr 24 2021

.TODAY...E wind 15 kt. Seas in ice free waters 4 ft.
.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.SUN...N wind 20 kt. Seas in ice free waters 5 ft.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.MON...NW wind 25 kt. Seas in ice free waters 5 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 15 kt. Seas in ice free waters 5 ft.

$$
245 
FZAK52 PAFC 242323
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
323 PM AKDT Sat Apr 24 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-251230-
323 PM AKDT Sat Apr 24 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140nm West of Adak is currently active.

A 993 mb low 130 nm South of Cape Sarichef merges with a 988 mb 
low 85 nm South of Chignik for Mon afternoon. Its front moves 
over and south of the Alaska Peninsula through Mon afternoon.

$$

PKZ150-251230-
South of the AK Peninsula Sitkinak to Castle Cape-
323 PM AKDT Sat Apr 24 2021

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...E wind 30 kt. Seas 10 ft. Rain.
.SUN...SE wind 30 kt. Seas 10 ft. Rain.
.SUN NIGHT...E wind 35 kt. Seas 11 ft. Rain.
.MON...SE wind 30 kt. Seas 11 ft.
.MON NIGHT...E wind 20 kt. Seas 9 ft.
.TUE...NE wind 25 kt. Seas 8 ft.
.WED...NE wind 15 kt. Seas 6 ft.
.THU...N wind 20 kt. Seas 6 ft.

$$

PKZ155-251230-
South of the AK Peninsula Castle Cape to Cape Sarichef-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SE wind 20 kt except SE 30 kt from the Shumagin Islands
E. Seas 11 ft.
.SUN...SE wind 20 kt. Seas 11 ft.
.SUN NIGHT...Variable wind 10 kt becoming N 15 kt after midnight.
From the Shumagin Islands E, NE wind 25 kt. Seas 8 ft. Rain.
.MON...NW wind 15 kt. Seas 7 ft.
.MON NIGHT...NE wind 15 kt. Seas 7 ft.
.TUE...NE wind 25 kt. Seas 7 ft.
.WED THROUGH THU...N wind 15 kt. Seas 7 ft.

$$

PKZ160-251230-
Bristol Bay-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 30 kt. Seas 5 ft.
.SUN...E wind 30 kt. Seas 6 ft.
.SUN NIGHT...E wind 25 kt. Seas 4 ft. Rain.
.MON...NE wind 30 kt. Seas 4 ft.
.MON NIGHT...NE wind 25 kt. Seas 3 ft.
.TUE...NE wind 20 kt. Seas 2 ft.
.WED...N wind 10 kt. Seas 1 foot.
.THU...N wind 15 kt. Seas 4 ft.

$$

PKZ165-251230-
Port Heiden to Cape Sarichef-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 30 kt. Seas 8 ft.
.SUN...E wind 25 kt. Seas 6 ft.
.SUN NIGHT...E wind 15 kt except NE 25 kt from Port Moller E. Seas
5 ft.
.MON AND MON NIGHT...NE wind 30 kt. Seas 7 ft.
.TUE...NE wind 25 kt. Seas 8 ft.
.WED THROUGH THU...N wind 15 kt. Seas 5 ft.

$$

PKZ170-251230-
Cape Sarichef to Nikolski Bering Side-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 7 ft.
.SUN...NE wind 15 kt. Seas 5 ft.
.SUN NIGHT...N wind 20 kt increasing to 30 kt after midnight. Seas
7 ft.
.MON AND MON NIGHT...N wind 30 kt. Seas 12 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...NE wind 15 kt. Seas 6 ft.

$$

PKZ171-251230-
Unalaska Bay-
323 PM AKDT Sat Apr 24 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN...Variable wind less than 10 kt. Seas 2 ft.
.SUN NIGHT...N wind 10 kt increasing to 15 kt after midnight. Seas
3 ft. Rain.
.MON AND MON NIGHT...N wind 25 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.WED...NE wind 10 kt. Seas 3 ft.
.THU...Variable wind less than 10 kt. Seas 3 ft.

$$

PKZ172-251230-
Cape Sarichef to Nikolski Pacific Side-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...Variable wind 10 kt. Seas 11 ft.
.SUN...Variable wind 15 kt. Seas 9 ft.
.SUN NIGHT...N wind 20 kt, except variable 10 kt . Seas 7 ft.
.MON...N wind 25 kt. Seas 7 ft.
.MON NIGHT...N wind 30 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.WED THROUGH THU...NE wind 15 kt. Seas 7 ft.

$$

PKZ173-251230-
Nikolski to Seguam Island Bering Side-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 11 ft.
.MON AND MON NIGHT...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...E wind 15 kt. Seas 7 ft.

$$

PKZ174-251230-
Nikolski to Seguam Island Pacific Side-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 9 ft.
.SUN...NW wind 20 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 9 ft.
.MON AND MON NIGHT...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...E wind 15 kt. Seas 11 ft.

$$

PKZ175-251230-
Seguam Island to Adak Bering Side-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY SUNDAY AND SUNDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 7 ft.
.SUN...N wind 30 kt. Seas 9 ft.
.SUN NIGHT...N wind 30 kt. Seas 12 ft.
.MON AND MON NIGHT...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 11 ft.
.WED THROUGH THU...E wind 20 kt. Seas 7 ft.

$$

PKZ176-251230-
Seguam Island to Adak Pacific Side-
323 PM AKDT Sat Apr 24 2021

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 8 ft.
.SUN...NW wind 30 kt. Seas 8 ft.
.SUN NIGHT...N wind 35 kt. Seas 11 ft.
.MON AND MON NIGHT...NW wind 35 kt. Seas 12 ft.
.TUE...N wind 30 kt. Seas 9 ft.
.WED THROUGH THU...E wind 20 kt. Seas 13 ft.

$$

PKZ177-251230-
Adak to Kiska-
323 PM AKDT Sat Apr 24 2021

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 6 ft.
.SUN...NW wind 30 kt. Seas 8 ft.
.SUN NIGHT...NW wind 35 kt. Seas 10 ft.
.MON...NW wind 30 kt. Seas 9 ft.
.MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 7 ft.
.WED...NE wind 25 kt. Seas 14 ft.
.THU...NE wind 20 kt. Seas 12 ft.

$$

PKZ178-251230-
Kiska to Attu-
323 PM AKDT Sat Apr 24 2021

.TONIGHT...N wind 15 kt. Seas 5 ft.
.SUN...NW wind 20 kt. Seas 5 ft.
.SUN NIGHT...NW wind 20 kt. Seas 5 ft.
.MON...W wind 15 kt. Seas 6 ft.
.MON NIGHT...Variable wind 10 kt. Seas 5 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 17 ft.
.THU...N wind 25 kt. Seas 12 ft.

$$

PKZ179-251230-
Pribilof Islands Near Shore Waters-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 8 ft. Rain.
.SUN...NE wind 25 kt. Seas 8 ft.
.SUN NIGHT...N wind 30 kt. Seas 9 ft.
.MON AND MON NIGHT...N wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED THROUGH THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ180-251230-
Kuskokwim Delta and Etolin Strait-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 30 kt. Seas in ice free waters 7 ft.
.SUN...E wind 30 kt. Seas in ice free waters 8 ft. Rain.
.SUN NIGHT...NE wind 25 kt. Seas in ice free waters 6 ft. Rain.
.MON AND MON NIGHT...N wind 30 kt. Seas in ice free waters 5 ft.
.TUE...N wind 20 kt. Seas in ice free waters 4 ft.
.WED THROUGH THU...N wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-251230-
North and West of Nunivak Island-
323 PM AKDT Sat Apr 24 2021

.TONIGHT...NE wind 20 kt. Seas in ice free waters 2 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 3 ft.
.SUN NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.MON AND MON NIGHT...N wind 25 kt. Seas in ice free waters 4 ft.
.TUE...N wind 20 kt. Seas in ice free waters 3 ft.
.WED THROUGH THU...N wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ185-251230-
Saint Matthew Island Waters-
323 PM AKDT Sat Apr 24 2021

...SMALL CRAFT ADVISORY SUNDAY AND SUNDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.SUN...N wind 25 kt. Seas in ice free waters 5 ft.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 6 ft.
.MON...NW wind 30 kt. Seas in ice free waters 6 ft.
.MON NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 4 ft.
.WED THROUGH THU...N wind 15 kt. Seas in ice free waters 6 ft.

$$
071 
FZAK52 PAFC 251115
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
315 AM AKDT Sun Apr 25 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-260000-
315 AM AKDT Sun Apr 25 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA 
WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm West of Adak is currently active.

A 993 mb low 65 nm southwest of Dutch Harbor merges with a 987 mb
low 100 nm south of Chignik for Mon morning. Its front moves over
and south of the Alaska Peninsula through Mon afternoon. High
pressure enters the western Bering Sun night.

$$

PKZ150-260000-
South of the AK Peninsula Sitkinak to Castle Cape-
315 AM AKDT Sun Apr 25 2021

...GALE WARNING TONIGHT...

.TODAY...SE wind 30 kt. Seas 10 ft. Rain.
.TONIGHT...E wind 35 kt. Seas 11 ft. Rain.
.MON...SE wind 30 kt. Seas 10 ft. Rain.
.MON NIGHT...NE wind 25 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 8 ft.
.WED...NE wind 20 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 7 ft.

$$

PKZ155-260000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...S wind 20 kt. Seas 11 ft. Rain.
.TONIGHT...SE wind 15 kt becoming N after midnight. Seas 8 ft.
.MON...Variable wind 10 kt. Seas 7 ft.
.MON NIGHT...NE wind 20 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED...N wind 20 kt. Seas 6 ft.
.THU...Variable wind 10 kt. Seas 7 ft.

$$

PKZ160-260000-
Bristol Bay-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 30 kt. Seas 6 ft. Rain showers.
.TONIGHT...E wind 30 kt. Seas 5 ft. Rain.
.MON...NE wind 25 kt. Seas 4 ft.
.MON NIGHT...NE wind 20 kt. Seas 3 ft.
.TUE...N wind 15 kt. Seas 1 foot.
.WED...N wind 10 kt. Seas 2 ft.
.THU...W wind 15 kt. Seas 3 ft.

$$

PKZ165-260000-
Port Heiden to Cape Sarichef-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY TODAY AND MONDAY...

.TODAY...E wind 25 kt. Seas 6 ft.
.TONIGHT...E wind 15 kt except E 20 kt from Port Moller E. Seas
5 ft. Rain.
.MON...NE wind 25 kt. Seas 6 ft.
.MON NIGHT...NE wind 25 kt. Seas 7 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED THROUGH THU...N wind 15 kt. Seas 4 ft.

$$

PKZ170-260000-
Cape Sarichef to Nikolski Bering Side-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...N wind 20 kt increasing to 30 kt after midnight. Seas
7 ft. Rain.
.MON...N wind 30 kt. Seas 12 ft. Rain.
.MON NIGHT...N wind 30 kt. Seas 12 ft.
.TUE...N wind 30 kt. Seas 11 ft.
.WED THROUGH THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ171-260000-
Unalaska Bay-
315 AM AKDT Sun Apr 25 2021

.TODAY...Variable wind less than 10 kt. Seas 3 ft. Rain.
.TONIGHT...Variable wind less than 10 kt becoming NW 15 kt after
midnight. Seas 3 ft. Rain.
.MON...NW wind 20 kt. Seas 7 ft. Rain.
.MON NIGHT...N wind 25 kt. Seas 10 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED...N wind 10 kt. Seas 3 ft.
.THU...Variable wind less than 10 kt. Seas 3 ft.

$$

PKZ172-260000-
Cape Sarichef to Nikolski Pacific Side-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY TODAY AND MONDAY...

.TODAY...S wind 15 kt. Seas 9 ft.
.TONIGHT...Variable wind 10 kt becoming N 20 kt after midnight.
Seas 7 ft.
.MON...N wind 25 kt. Seas 7 ft.
.MON NIGHT...N wind 30 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.WED...N wind 15 kt. Seas 5 ft.
.THU...NE wind 15 kt. Seas 8 ft.

$$

PKZ173-260000-
Nikolski to Seguam Island Bering Side-
315 AM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY...

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...N wind 30 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 14 ft.
.MON NIGHT...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ174-260000-
Nikolski to Seguam Island Pacific Side-
315 AM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY...

.TODAY...NW wind 20 kt. Seas 7 ft.
.TONIGHT...N wind 30 kt. Seas 10 ft.
.MON...N wind 35 kt. Seas 15 ft.
.MON NIGHT...N wind 35 kt. Seas 15 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...E wind 15 kt. Seas 9 ft.

$$

PKZ175-260000-
Seguam Island to Adak Bering Side-
315 AM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY...

.TODAY...N wind 30 kt. Seas 9 ft. Rain showers.
.TONIGHT...N wind 30 kt. Seas 12 ft.
.MON...NW wind 35 kt. Seas 12 ft.
.MON NIGHT...N wind 35 kt. Seas 13 ft.
.TUE...NE wind 25 kt. Seas 10 ft.
.WED THROUGH THU...NE wind 20 kt. Seas 6 ft.

$$

PKZ176-260000-
Seguam Island to Adak Pacific Side-
315 AM AKDT Sun Apr 25 2021

...GALE WARNING TONIGHT AND MONDAY...

.TODAY...NW wind 30 kt. Seas 8 ft.
.TONIGHT...NW wind 35 kt. Seas 11 ft. Rain showers.
.MON...N wind 35 kt. Seas 11 ft.
.MON NIGHT...N wind 35 kt. Seas 11 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.WED THROUGH THU...NE wind 20 kt. Seas 13 ft.

$$

PKZ177-260000-
Adak to Kiska-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NW wind 30 kt. Seas 8 ft.
.TONIGHT...NW wind 30 kt. Seas 10 ft.
.MON...NW wind 25 kt. Seas 9 ft.
.MON NIGHT...N wind 20 kt. Seas 7 ft.
.TUE...E wind 30 kt. Seas 8 ft.
.WED...NE wind 30 kt. Seas 16 ft.
.THU...NE wind 25 kt. Seas 12 ft.

$$

PKZ178-260000-
Kiska to Attu-
315 AM AKDT Sun Apr 25 2021

.TODAY...NW wind 20 kt. Seas 5 ft. Patchy fog.
.TONIGHT...NW wind 20 kt. Seas 5 ft. Patchy fog.
.MON...W wind 15 kt. Seas 5 ft. Patchy fog.
.MON NIGHT...SE wind 20 kt. Seas 5 ft.
.TUE...E wind 35 kt. Seas 19 ft.
.WED...NE wind 35 kt. Seas 20 ft.
.THU...N wind 25 kt. Seas 13 ft.

$$

PKZ179-260000-
Pribilof Islands Near Shore Waters-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 30 kt. Seas 9 ft.
.MON...N wind 30 kt. Seas 10 ft.
.MON NIGHT...N wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.WED...N wind 20 kt. Seas 4 ft.
.THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ180-260000-
Kuskokwim Delta and Etolin Strait-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 30 kt. Seas in ice free waters 8 ft. Rain.
.TONIGHT...NE wind 25 kt. Seas in ice free waters 6 ft. Rain.
.MON...NE wind 25 kt. Seas in ice free waters 5 ft.
.MON NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.TUE THROUGH WED...NW wind 20 kt. Seas in ice free waters 3 ft.
.THU...NW wind 15 kt. Seas in ice free waters 4 ft.

$$

PKZ181-260000-
North and West of Nunivak Island-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 25 kt. Seas in ice free waters 6 ft.
.TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft.
.MON...N wind 25 kt. Seas in ice free waters 7 ft.
.MON NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.TUE THROUGH WED...NW wind 20 kt. Seas in ice free waters 3 ft.
.THU...W wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ185-260000-
Saint Matthew Island Waters-
315 AM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...N wind 25 kt. Seas in ice free waters 5 ft.
.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.MON...NW wind 25 kt. Seas in ice free waters 5 ft.
.MON NIGHT...NW wind 25 kt. Seas in ice free waters 4 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 3 ft.
.WED THROUGH THU...W wind 15 kt. Seas in ice free waters 6 ft.

$$
654 
FZAK52 PAFC 252338
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
338 PM AKDT Sun Apr 25 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-261300-
338 PM AKDT Sun Apr 25 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm West of Adak is currently active.

A 990 mb low 105 nm southwest of Dutch Harbor merges with a 983 mb 
North Pacific low Mon morning then merges with another North Pacific 
low to form a 980 mb low Tue morning. The low continues moving south.
Its front moves south of the Alaska Peninsula through Tue afternoon.

$$

PKZ150-261300-
South of the AK Peninsula Sitkinak to Castle Cape-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING THROUGH MONDAY...

.TONIGHT...E wind 40 kt. Seas 13 ft. Rain.
.MON...SE wind 35 kt diminishing to 25 kt in the afternoon. Seas 12 ft.
.MON NIGHT...E wind 25 kt. Seas 8 ft.
.TUE AND TUE NIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 20 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 7 ft.
.FRI...SW wind 15 kt. Seas 7 ft.

$$

PKZ155-261300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...E wind 15 kt except N 25 kt from the Shumagin Islands E.
Seas 8 ft.
.MON...NW wind 20 kt in the morning becoming variable 10 kt. Seas
8 ft.
.MON NIGHT...NE wind 20 kt. Seas 7 ft.
.TUE...NE wind 25 kt. Seas 8 ft.
.TUE NIGHT...NE wind 20 kt. Seas 7 ft.
.WED...N wind 20 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 7 ft.
.FRI...SE wind 15 kt. Seas 8 ft.

$$

PKZ160-261300-
Bristol Bay-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 35 kt. Seas 6 ft. Rain.
.MON...NE wind 30 kt. Seas 5 ft.
.MON NIGHT...E wind 25 kt. Seas 3 ft.
.TUE...NE wind 15 kt. Seas 2 ft.
.TUE NIGHT...NW wind 10 kt. Seas 1 foot.
.WED...W wind 10 kt. Seas 2 ft.
.THU...W wind 15 kt. Seas 3 ft.
.FRI...E wind 15 kt. Seas 2 ft.

$$

PKZ165-261300-
Port Heiden to Cape Sarichef-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...E wind 15 kt except E 25 kt from Port Moller E. Seas 5 ft. Rain.
.MON...N wind 25 kt except NE 30 kt from Port Moller E. Seas 8 ft. Rain.
.MON NIGHT...NE wind 30 kt. Seas 9 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 15 kt. Seas 5 ft.
.WED THROUGH THU...N wind 15 kt. Seas 4 ft.
.FRI...E wind 15 kt. Seas 4 ft.

$$

PKZ170-261300-
Cape Sarichef to Nikolski Bering Side-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...NE wind 20 kt becoming N 30 kt after midnight. Seas 6 ft. Rain.
.MON...N wind 35 kt. Seas 14 ft. Rain.
.MON NIGHT...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.TUE NIGHT...NE wind 20 kt. Seas 7 ft.
.WED THROUGH FRI...E wind 15 kt. Seas 5 ft.

$$

PKZ171-261300-
Unalaska Bay-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY MONDAY NIGHT...

.TONIGHT...Variable wind less than 10 kt becoming N 15 kt after midnight.
Seas 3 ft. Rain.
.MON...NW wind 20 kt. Seas 7 ft. Rain.
.MON NIGHT...N wind 25 kt. Seas 10 ft. Rain.
.TUE AND TUE NIGHT...N wind 15 kt. Seas 5 ft.
.WED...N wind 10 kt. Seas 3 ft.
.THU...Variable wind less than 10 kt. Seas 3 ft.
.FRI...E wind 10 kt. Seas 2 ft.

$$

PKZ172-261300-
Cape Sarichef to Nikolski Pacific Side-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY MONDAY AND MONDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming N 20 kt after midnight. Seas
7 ft.
.MON...N wind 30 kt. Seas 7 ft.
.MON NIGHT...N wind 30 kt. Seas 8 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED THROUGH FRI...E wind 15 kt. Seas 7 ft.

$$

PKZ173-261300-
Nikolski to Seguam Island Bering Side-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...N wind 30 kt. Seas 12 ft.
.MON...N wind 35 kt. Seas 15 ft.
.MON NIGHT...N wind 35 kt. Seas 15 ft.
.TUE...N wind 30 kt. Seas 13 ft.
.TUE NIGHT...NE wind 20 kt. Seas 8 ft.
.WED...NE wind 20 kt. Seas 5 ft.
.THU...NE wind 15 kt. Seas 5 ft.
.FRI...NE wind 20 kt. Seas 5 ft.

$$

PKZ174-261300-
Nikolski to Seguam Island Pacific Side-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...N wind 30 kt. Seas 10 ft.
.MON...N wind 40 kt. Seas 16 ft.
.MON NIGHT...N wind 40 kt. Seas 16 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.TUE NIGHT...N wind 20 kt. Seas 8 ft.
.WED THROUGH THU...E wind 15 kt. Seas 9 ft.
.FRI...NE wind 20 kt. Seas 9 ft.

$$

PKZ175-261300-
Seguam Island to Adak Bering Side-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...N wind 35 kt. Seas 12 ft.
.MON...N wind 35 kt. Seas 13 ft.
.MON NIGHT...N wind 35 kt. Seas 12 ft.
.TUE...NE wind 25 kt. Seas 10 ft.
.TUE NIGHT...NE wind 15 kt. Seas 6 ft.
.WED THROUGH THU...NE wind 20 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 5 ft.

$$

PKZ176-261300-
Seguam Island to Adak Pacific Side-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...N wind 35 kt. Seas 12 ft.
.MON...N wind 35 kt. Seas 12 ft.
.MON NIGHT...N wind 35 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 15 kt. Seas 6 ft.
.WED THROUGH THU...NE wind 20 kt. Seas 13 ft.
.FRI...N wind 20 kt. Seas 8 ft.

$$

PKZ177-261300-
Adak to Kiska-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 10 ft. 
.MON...N wind 30 kt. Seas 10 ft.
.MON NIGHT...N wind 20 kt. Seas 7 ft.
.TUE...E wind 25 kt. Seas 6 ft.
.TUE NIGHT...SE wind 30 kt. Seas 11 ft.
.WED...E wind 30 kt. Seas 16 ft.
.THU...NE wind 25 kt. Seas 12 ft.
.FRI...NW wind 25 kt. Seas 9 ft.

$$

PKZ178-261300-
Kiska to Attu-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY MONDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 5 ft.
.MON...Variable wind 15 kt. Seas 5 ft. 
.MON NIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas 6 ft.
.TUE...SE wind 40 kt. Seas 11 ft.
.TUE NIGHT...E wind 35 kt. Seas 21 ft.
.WED...E wind 35 kt. Seas 20 ft.
.THU...N wind 25 kt. Seas 13 ft.
.FRI...NW wind 25 kt. Seas 9 ft.

$$

PKZ179-261300-
Pribilof Islands Near Shore Waters-
338 PM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY...

.TONIGHT...N wind 30 kt. Seas 9 ft.
.MON...N wind 35 kt. Seas 10 ft.
.MON NIGHT...N wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED...N wind 20 kt. Seas 4 ft.
.THU THROUGH FRI...NE wind 15 kt. Seas 5 ft.

$$

PKZ180-261300-
Kuskokwim Delta and Etolin Strait-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas in ice free waters 6 ft. Rain.
.MON...N wind 30 kt. Seas in ice free waters 6 ft.
.MON NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.TUE AND TUE NIGHT...NW wind 20 kt. Seas in ice free waters 4 ft.
.WED...NW wind 20 kt. Seas in ice free waters 3 ft.
.THU...NW wind 15 kt. Seas in ice free waters 4 ft.
.FRI...E wind 10 kt. Seas in ice free waters 2 ft.

$$

PKZ181-261300-
North and West of Nunivak Island-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...N wind 25 kt. Seas in ice free waters 2 ft.
.MON...N wind 25 kt. Seas in ice free waters 2 ft.
.MON NIGHT...N wind 25 kt. Seas in ice free waters 2 ft.
.TUE...N wind 20 kt. Seas in ice free waters 2 ft.
.TUE NIGHT...NW wind 15 kt. Seas in ice free waters 2 ft.
.WED...NW wind 20 kt. Seas in ice free waters 2 ft.
.THU...W wind 15 kt. Seas in ice free waters 2 ft.
.FRI...Variable wind 10 kt. Seas in ice free waters 2 ft.

$$

PKZ185-261300-
Saint Matthew Island Waters-
338 PM AKDT Sun Apr 25 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.MON...NW wind 25 kt. Seas in ice free waters 5 ft.
.MON NIGHT...NW wind 25 kt. Seas in ice free waters 4 ft.
.TUE...W wind 20 kt. Seas in ice free waters 3 ft.
.TUE NIGHT...NW wind 15 kt. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 5 ft.
.THU...W wind 15 kt. Seas in ice free waters 6 ft.
.FRI...NW wind 15 kt. Seas in ice free waters 3 ft.

$$
946 
FZAK52 PAFC 261156
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
356 AM AKDT Mon Apr 26 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-270100-
356 AM AKDT Mon Apr 26 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm West of Adak is currently active.

A front off a North Pacific low lingers in the eastern Bering
through Tue. A 977 mb low moves to 390 nm southwest of Shemya on
Wed afternoon. Its front enters the western Bering Tue afternoon.

$$

PKZ150-270100-
South of the AK Peninsula Sitkinak to Castle Cape-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING TODAY...

.TODAY...SE wind 35 kt diminishing to 25 kt in the afternoon. Seas
13 ft.
.TONIGHT...NE wind 25 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 20 kt. Seas 7 ft.
.THU...NW wind 15 kt. Seas 5 ft.
.FRI...W wind 15 kt. Seas 6 ft.

$$

PKZ155-270100-
South of the AK Peninsula Castle Cape to Cape Sarichef-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TODAY AND TUESDAY...

.TODAY...NW wind 15 kt. Seas 10 ft.
.TONIGHT...NE wind 20 kt. Seas 7 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 25 kt. Seas 8 ft.
.WED...N wind 20 kt. Seas 7 ft.
.THU THROUGH FRI...Variable wind 10 kt. Seas 7 ft.

$$

PKZ160-270100-
Bristol Bay-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE wind 30 kt. Seas 7 ft.
.TONIGHT...NE wind 20 kt. Seas 4 ft.
.TUE...NE wind 15 kt. Seas 2 ft.
.TUE NIGHT...N wind 15 kt. Seas 2 foot.
.WED...NW wind 10 kt. Seas 2 ft.
.THU THROUGH FRI...NW wind 15 kt. Seas 2 ft.

$$

PKZ165-270100-
Port Heiden to Cape Sarichef-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE wind 30 kt. Seas 12 ft. Rain.
.TONIGHT...NE wind 30 kt diminishing to 20 kt after midnight. Seas 
11 ft.
.TUE...N wind 20 kt. Seas 6 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED THROUGH FRI...N wind 15 kt. Seas 5 ft.

$$

PKZ170-270100-
Cape Sarichef to Nikolski Bering Side-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 35 kt. Seas 13 ft. Rain.
.TONIGHT...N wind 35 kt. Seas 13 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
11 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED THROUGH FRI...NE wind 15 kt. Seas 6 ft.

$$

PKZ171-270100-
Unalaska Bay-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 25 kt. Seas 5 ft building to 10 ft in the
afternoon. Rain.
.TONIGHT...N wind 25 kt. Seas 10 ft. Rain.
.TUE...N wind 15 kt. Seas 5 ft.
.TUE NIGHT...N wind 15 kt. Seas 5 ft.
.WED THROUGH FRI...E wind 10 kt. Seas 3 ft.

$$

PKZ172-270100-
Cape Sarichef to Nikolski Pacific Side-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TODAY...N wind 30 kt. Seas 7 ft.
.TONIGHT...N wind 35 kt diminishing to 25 kt after midnight. Seas 9 
ft.
.TUE...N wind 25 kt. Seas 7 ft.
.TUE NIGHT...N wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 8 ft.
.FRI...E wind 15 kt. Seas 8 ft.

$$

PKZ173-270100-
Nikolski to Seguam Island Bering Side-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 35 kt. Seas 15 ft.
.TONIGHT...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
13 ft.
.TUE NIGHT...NE wind 20 kt. Seas 7 ft.
.WED THROUGH FRI...NE wind 15 kt. Seas 6 ft.

$$

PKZ174-270100-
Nikolski to Seguam Island Pacific Side-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 40 kt. Seas 16 ft.
.TONIGHT...N wind 35 kt. Seas 15 ft.
.TUE...N wind 30 kt. Seas 12 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED...Variable wind 10 kt. Seas 10 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 9 ft.

$$

PKZ175-270100-
Seguam Island to Adak Bering Side-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING TODAY...

.TODAY...N wind 35 kt. Seas 14 ft.
.TONIGHT...N wind 30 kt. Seas 13 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.TUE NIGHT...NE wind 15 kt. Seas 7 ft.
.WED THROUGH FRI...NE wind 20 kt. Seas 7 ft.

$$

PKZ176-270100-
Seguam Island to Adak Pacific Side-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 35 kt. Seas 13 ft.
.TONIGHT...N wind 35 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 15 kt. Seas 6 ft.
.WED THROUGH THU...E wind 20 kt. Seas 13 ft.
.FRI...NE wind 15 kt. Seas 8 ft.

$$

PKZ177-270100-
Adak to Kiska-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 10
ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.TUE NIGHT...E wind 25 kt. Seas 11 ft.
.WED THROUGH THU...NE wind 25 kt. Seas 15 ft.
.FRI...N wind 20 kt. Seas 8 ft.

$$

PKZ178-270100-
Kiska to Attu-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING TUESDAY...

.TODAY...W wind 15 kt becoming variable 10 kt in the afternoon. Seas
5 ft.
.TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas
6 ft.
.TUE...SE wind 35 kt. Seas 12 ft.
.TUE NIGHT...E wind 35 kt. Seas 20 ft.
.WED...E wind 30 kt. Seas 19 ft.
.THU...NE wind 30 kt. Seas 13 ft.
.FRI...N wind 20 kt. Seas 9 ft.

$$

PKZ179-270100-
Pribilof Islands Near Shore Waters-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING TODAY...

.TODAY...N wind 35 kt. Seas 10 ft.
.TONIGHT...N wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED THROUGH THU...NE wind 20 kt. Seas 6 ft.
.FRI...NE wind 15 kt. Seas 5 ft.

$$

PKZ180-270100-
Kuskokwim Delta and Etolin Strait-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt. Seas in ice free waters 10 ft.
.TONIGHT...N wind 25 kt. Seas in ice free waters 7 ft.
.TUE...N wind 20 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...N wind 15 kt. Seas in ice free waters 3 ft.
.WED THROUGH THU...NW wind 20 kt. Seas in ice free waters 4 ft.
.FRI...NW wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-270100-
North and West of Nunivak Island-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 25 kt. Seas in ice free waters 6 ft.
.TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft.
.TUE...N wind 20 kt. Seas in ice free waters 5 ft.
.TUE NIGHT...NW wind 20 kt. Seas in ice free waters 3 foot.
.WED THROUGH THU...NW wind 20 kt. Seas in ice free waters 2 ft.
.FRI...NW wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ185-270100-
Saint Matthew Island Waters-
356 AM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 6 ft.
.TONIGHT...NW wind 25 kt. Seas 4 ft.
.TUE...N wind 20 kt E of Saint Matthew Island...W 15 kt W of Saint
Matthew Island. Seas 3 ft.
.TUE NIGHT...NW wind 15 kt. Seas 3 ft.
.WED...N wind 20 kt. Seas 6 ft.
.THU...NW wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.

$$
150 
FZAK52 PAFC 262333
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
333 PM AKDT Mon Apr 26 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-271245-
333 PM AKDT Mon Apr 26 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm West of Adak is currently active.

A 987 mb North Pacific low moves east for Wed afternoon. Its 
front decays over Southwest Alaska by Wed afternoon. High pressure
crosses the Bering through Wed afternoon. A 945 mb North Pacific 
low Mon night moves to 380 nm South of Attu at 978 mb for Wed 
afternoon. Its front moves over the Western Aleutians Wed 
afternoon.


$$

PKZ150-271245-
South of the AK Peninsula Sitkinak to Castle Cape-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 20 kt. Seas 8 ft.
.WED NIGHT...NE wind 15 kt. Seas 6 ft.
.THU THROUGH FRI...W wind 15 kt. Seas 6 ft.
.SAT...SE wind 15 kt. Seas 6 ft.

$$

PKZ155-271245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 25 kt. Seas 8 ft.
.WED...N wind 20 kt. Seas 8 ft.
.WED NIGHT...N wind 15 kt. Seas 6 ft.
.THU...N wind 15 kt. Seas 7 ft.
.FRI...Variable wind 10 kt. Seas 7 ft.
.SAT...E wind 15 kt. Seas 6 ft.

$$

PKZ160-271245-
Bristol Bay-
333 PM AKDT Mon Apr 26 2021

.TONIGHT...NE wind 20 kt. Seas 4 ft.
.TUE...NE wind 15 kt. Seas 3 ft.
.TUE NIGHT...N wind 15 kt. Seas 2 ft.
.WED...N wind 10 kt. Seas 2 ft.
.WED NIGHT...W wind 10 kt. Seas 2 ft.
.THU THROUGH FRI...NW wind 15 kt. Seas 3 ft.
.SAT...NE wind 10 kt. Seas 2 ft.

$$

PKZ165-271245-
Port Heiden to Cape Sarichef-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 30 kt. Seas 11 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED AND WED NIGHT...N wind 15 kt. Seas 4 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft.

$$

PKZ170-271245-
Cape Sarichef to Nikolski Bering Side-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 13 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 11 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED AND WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 5 ft.

$$

PKZ171-271245-
Unalaska Bay-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 30 kt. Seas 12 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 15 kt diminishing to 10 kt after midnight.
Seas 5 ft subsiding to 3 ft after midnight.
.WED AND WED NIGHT...N wind 10 kt. Seas 3 ft.
.THU...NE wind 15 kt. Seas 3 ft.
.FRI THROUGH SAT...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-271245-
Cape Sarichef to Nikolski Pacific Side-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.TUE NIGHT...N wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 5 ft.
.WED NIGHT...Variable wind 10 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 8 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 7 ft.

$$

PKZ173-271245-
Nikolski to Seguam Island Bering Side-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 13 ft.
.TUE NIGHT...NE wind 20 kt. Seas 8 ft.
.WED AND WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...NE wind 15 kt. Seas 6 ft.
.SAT...N wind 15 kt. Seas 5 ft.

$$

PKZ174-271245-
Nikolski to Seguam Island Pacific Side-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 15 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 12 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED AND WED NIGHT...Variable wind 10 kt. Seas 9 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 9 ft.
.SAT...N wind 20 kt. Seas 6 ft.

$$

PKZ175-271245-
Seguam Island to Adak Bering Side-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 13 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.TUE NIGHT...NE wind 15 kt. Seas 7 ft.
.WED AND WED NIGHT...E wind 20 kt. Seas 7 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 6 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ176-271245-
Seguam Island to Adak Pacific Side-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 15 kt. Seas 6 ft.
.WED AND WED NIGHT...E wind 15 kt. Seas 13 ft.
.THU...E wind 20 kt. Seas 12 ft.
.FRI...NE wind 15 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 7 ft.

$$

PKZ177-271245-
Adak to Kiska-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.TUE NIGHT...E wind 25 kt. Seas 6 ft building to 11 ft 
after midnight.
.WED AND WED NIGHT...E wind 25 kt. Seas 15 ft.
.THU...NE wind 20 kt. Seas 13 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 20 kt. Seas 6 ft.

$$

PKZ178-271245-
Kiska to Attu-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. 
Seas 6 ft.
.TUE...SE wind 35 kt. Seas 8 ft building to 13 ft in the
afternoon. Rain.
.TUE NIGHT...E wind 35 kt. Seas 17 ft Bering side...21 ft 
Pacific side. Rain.
.WED AND WED NIGHT...NE wind 30 kt. Seas 18 ft.
.THU...NE wind 25 kt. Seas 13 ft.
.FRI...N wind 20 kt. Seas 9 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ179-271245-
Pribilof Islands Near Shore Waters-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED...N wind 15 kt. Seas 4 ft.
.WED NIGHT...NE wind 20 kt. Seas 6 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft.

$$

PKZ180-271245-
Kuskokwim Delta and Etolin Strait-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft.
.TUE...N wind 20 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED AND WED NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.THU...NW wind 20 kt. Seas in ice free waters 5 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-271245-
North and West of Nunivak Island-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.TUE...N wind 25 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED AND WED NIGHT...N wind 20 kt. Seas in ice free waters 2 ft.
.THU...NW wind 20 kt. Seas in ice free waters 2 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas in ice free waters 1 foot.

$$

PKZ185-271245-
Saint Matthew Island Waters-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 4 ft.
.TUE...N wind 20 kt E of Saint Matthew Island...W 15 kt 
W of Saint Matthew Island. Seas 3 ft.
.TUE NIGHT...NW wind 15 kt. Seas 3 ft.
.WED AND WED NIGHT...N wind 20 kt. Seas 5 ft.
.THU...NW wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.
.SAT...N wind 15 kt. Seas 3 ft.

$$
457 
FZAK52 PAFC 271115
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
315 AM AKDT Tue Apr 27 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-280000-
315 AM AKDT Tue Apr 27 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

High pressure crosses the Bering through Wed night. A 976 mb low
is 400 nm southwest of Shemya on Wed. Its front moves across the
western Bering through Wed night. 

$$

PKZ150-280000-
South of the AK Peninsula Sitkinak to Castle Cape-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...NE wind 25 kt. Seas 9 ft.
.TONIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 25 kt diminishing to 15 kt in the afternoon. Seas
8 ft.
.WED NIGHT...Variable wind 10 kt. Seas 5 ft.
.THU THROUGH FRI...W wind 25 kt. Seas 7 ft.
.SAT...SE wind 15 kt. Seas 6 ft.

$$

PKZ155-280000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...N wind 25 kt. Seas 9 ft.
.TONIGHT...NE wind 25 kt. Seas 9 ft.
.WED...N wind 25 kt. Seas 8 ft.
.WED NIGHT...N wind 15 kt. Seas 6 ft.
.THU THROUGH FRI...NW wind 15 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 7 ft.

$$

PKZ160-280000-
Bristol Bay-
315 AM AKDT Tue Apr 27 2021

.TODAY...NE wind 20 kt. Seas 3 ft.
.TONIGHT...N wind 15 kt. Seas 2 ft.
.WED...NE wind 10 kt. Seas 2 ft.
.WED NIGHT...W wind 15 kt. Seas 2 foot.
.THU THROUGH FRI...W wind 20 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 2 ft.

$$

PKZ165-280000-
Port Heiden to Cape Sarichef-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.WED...NE wind 15 kt. Seas 4 ft.
.WED NIGHT...N wind 15 kt. Seas 4 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 3 ft.

$$

PKZ170-280000-
Cape Sarichef to Nikolski Bering Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
11 ft subsiding to 8 ft in the afternoon.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT...N wind 20 kt. Seas 5 ft.

$$

PKZ171-280000-
Unalaska Bay-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas
5 ft subsiding to 3 ft after midnight.
.WED...N wind 10 kt. Seas 3 ft.
.WED NIGHT...N wind 10 kt. Seas 3 ft.
.THU...NE wind 15 kt. Seas 5 ft.
.FRI...E wind 10 kt. Seas 3 ft.
.SAT...NE wind 15 kt. Seas 2 ft.

$$

PKZ172-280000-
Cape Sarichef to Nikolski Pacific Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 7 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 5 ft.
.WED NIGHT...Variable wind 10 kt. Seas 7 ft.
.THU...NE wind 15 kt. Seas 9 ft.
.FRI...E wind 15 kt. Seas 7 ft.
.SAT...NE wind 20 kt. Seas 7 ft.

$$

PKZ173-280000-
Nikolski to Seguam Island Bering Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
12 ft.
.TONIGHT...NE wind 20 kt. Seas 8 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 6 ft.

$$

PKZ174-280000-
Nikolski to Seguam Island Pacific Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
12 ft.
.TONIGHT...N wind 20 kt. Seas 8 ft.
.WED...E wind 10 kt. Seas 6 ft.
.WED NIGHT...Variable wind 10 kt. Seas 11 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 9 ft.
.SAT...N wind 20 kt. Seas 7 ft.

$$

PKZ175-280000-
Seguam Island to Adak Bering Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 10 ft.
.TONIGHT...NE wind 15 kt. Seas 7 ft.
.WED...E wind 15 kt. Seas 6 ft.
.WED NIGHT...E wind 20 kt. Seas 6 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 6 ft.
.SAT...NW wind 15 kt. Seas 7 ft.

$$

PKZ176-280000-
Seguam Island to Adak Pacific Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY AND WEDNESDAY...

.TODAY...N wind 30 kt becoming NE 20 kt in the afternoon. Seas 9
ft.
.TONIGHT...NE wind 15 kt. Seas 6 ft.
.WED...E wind 15 kt. Seas 11 ft.
.WED NIGHT...E wind 20 kt. Seas 12 ft.
.THU...E wind 20 kt. Seas 12 ft.
.FRI...NE wind 15 kt. Seas 8 ft.
.SAT...NW wind 20 kt. Seas 7 ft.

$$

PKZ177-280000-
Adak to Kiska-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 25 kt. Seas 6 ft building to 11 ft after
midnight.
.WED...E wind 25 kt. Seas 15 ft.
.WED NIGHT...E wind 25 kt. Seas 14 ft.
.THU...E wind 25 kt. Seas 11 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ178-280000-
Kiska to Attu-
315 AM AKDT Tue Apr 27 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...E wind 40 kt. Seas 12 ft. Rain.
.TONIGHT...E wind 35 kt. Seas 19 ft. Rain.
.WED...E wind 30 kt. Seas 19 ft.
.WED NIGHT...E wind 30 kt. Seas 15 ft.
.THU...NE wind 25 kt. Seas 11 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ179-280000-
Pribilof Islands Near Shore Waters-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 5 ft.
.WED...N wind 20 kt. Seas 4 ft.
.WED NIGHT...NE wind 20 kt. Seas 7 ft.
.THU...NE wind 20 kt. Seas 7 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.SAT...W wind 15 kt. Seas 2 ft.

$$

PKZ180-280000-
Kuskokwim Delta and Etolin Strait-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas in ice free waters 4 ft.
.TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 3 ft.
.WED NIGHT...N wind 25 kt. Seas in ice free waters 4 ft.
.THU...NW wind 25 kt. Seas in ice free waters 5 ft.
.FRI...W wind 20 kt. Seas in ice free waters 3 ft.
.SAT...E wind 10 kt. Seas in ice free waters 2 ft.

$$

PKZ181-280000-
North and West of Nunivak Island-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas in ice free waters 4 ft.
.TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 3 ft.
.WED NIGHT...N wind 25 kt. Seas in ice free waters 2 ft.
.THU...NW wind 20 kt. Seas in ice free waters 3 ft.
.FRI...W wind 15 kt. Seas in ice free waters 2 ft.
.SAT...Variable wind 10 kt. Seas in ice free waters 1 foot.

$$

PKZ185-280000-
Saint Matthew Island Waters-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt E of Saint Matthew Island...W 15 kt W of
Saint Matthew Island. Seas 4 ft.
.TONIGHT...NW wind 15 kt. Seas 3 ft.
.WED...N wind 20 kt. Seas 4 ft.
.WED NIGHT...N wind 20 kt. Seas 6 ft.
.THU THROUGH FRI...W wind 15 kt. Seas 6 ft.
.SAT...N wind 15 kt. Seas 4 ft.

$$

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 4:05 PM AKDTGale WarningAFC11 hr
Apr 21, 4:05 PM AKDTSmall Craft AdvisoryAFC24 hr
Apr 22, 3:18 AM AKDTSmall Craft AdvisoryAFC13 hr
Apr 22, 12:56 PM AKDTAreal Flood WarningAFC71 hr
Apr 22, 3:59 PM AKDTGale WarningAFC47 hr
Apr 22, 3:59 PM AKDTSmall Craft AdvisoryAFC12 hr

Nearby

Small Craft Advisories in Alaska, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.